Watch



FIG. 1 is a perspective view of my new and ornamental design for a watch

FIG. 2 is a front view thereof

FIG. 3 is a rear view thereof

FIG. 4 is a right side view thereof

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for a watch, as shown and described. 